Rick's Free Auto Repair Advice

Posts Tagged: clean a catalytic converter

Clean a catalytic converter

Can you clean a catalytic converter? You might be able to clean a catalytic converter — BUT Lots of companies sell catalytic converter cleaners and you may be tempted to buy them so you can get rid of the check engine light and pass an emissions test. Before you buy a converter cleaner understand that catalytic converters fail in three ways: Thermal damage, Poisoning, Impact/cold shock damage. Catalytic converter cleaners can’t fix thermal damage or impact/cold shock damage Thermal damage can’t be fixed with a catalytic converter cleaner A converters … Read More

Cataclean catalytic converter cleaner

Cataclean catalytic converter cleaner — does it work? Four things can cause a catalytic converter to set a P0420 or P0430 trouble code: oil or carbon coating on the surface of the honeycomb, melted substrate caused by overheating, a poisoned substrate, and impact damage.  Cataclean can only address one of those issues and even then, the fix is only temporary. Unless you’re prepared to fix the underlying problem that caused the catalytic converter to fail in the first place the P0420 or P0430 will return. What causes a catalytic converter … Read More


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